CI (Create Buildbot Statuses): add linux32 to the list (#44594)

Author: DilumAluthge

.github/workflows/statuses.yml

@@ -48,6 +48,7 @@ jobs:
       - run: |
           declare -a CONTEXT_LIST=(
                 "buildbot/tester_freebsd64"
+                "buildbot/tester_linux32"
                 "buildbot/tester_macos64"
                 "buildbot/tester_win32"
                 "buildbot/tester_win64"